Neuro

Trigeminal Nerve Palsy (CNV)

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Pathology

Unknown pathogenesis affecting Trigeminal Nerve.

Aetiology

Idiopathic, MS, vascular compression, tumors

Signs

No clinical signs 

Symptoms

Painful disabling sensory symptoms in the distribution of the trigeminal nerve.

Investigations

Imaging: MRI to assess for underlying cause

Treatment

Medical: Neuropathic Analgesia: Carbamazepine, gabapentin, and lamotrigine. 
Severe cases: IV phenytoin, nerve injection with alcohol or glycerol
Surgical: Microvascular decompression, partial rhizotomy of nerve

Prognosis

Usually responds to neuropathic analgesia.
Spontaneous remission may occur 
Depression and anxiety .

Key Facts

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Key References

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